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92db0ee5 C |
1 | .TH UUDIFF 1C "18 January 1983" |
2 | .SH NAME | |
3 | uudiff \- directory comparison between machines | |
4 | .SH SYNOPSIS | |
5 | .B uudiff | |
6 | [ \-d ] | |
7 | local-name remote-name | |
8 | .SH DESCRIPTION | |
9 | .I Uudiff | |
10 | compares the files in the directory | |
11 | .I local-name | |
12 | and the directory | |
13 | .I remote-name, | |
14 | (where | |
15 | .I remote-name | |
16 | may be of the form | |
17 | .I system-name!directory-name | |
18 | and | |
19 | .I system-name | |
20 | is a | |
21 | .I uucp | |
22 | Unix name). | |
23 | It reports (via mail) | |
24 | which files are added, deleted, or changed, and provides | |
25 | a | |
26 | .I diff(1) | |
27 | of altered printable files. | |
28 | .PP | |
29 | If a part of | |
30 | .I remote-name | |
31 | is omitted | |
32 | (either the system or the directory) | |
33 | the corresponding part of | |
34 | .I local-name | |
35 | is used. | |
36 | If | |
37 | .I local-name | |
38 | is a file, rather than a directory, | |
39 | .I remote-name | |
40 | is also assumed to be a file and the program degenerates into | |
41 | .IR diff(1) . | |
42 | .PP | |
43 | The option | |
44 | .B \-d | |
45 | does not diff altered files; only | |
46 | the summary by file names is prepared. | |
47 | .SH FILES | |
48 | Lots. Files zz[abcdeglmn]????? are used for scratch space; | |
49 | files brought back from the remote machine for | |
50 | .I diffing | |
51 | are stored (and left around) as | |
52 | .I name.????? | |
53 | and the final report is left in | |
54 | .I uudiff.????? | |
55 | (the exact name is reported by mail). | |
56 | .SH "SEE ALSO" | |
57 | diff(1), uucp(1) | |
58 | .SH DIAGNOSTICS | |
59 | Almost none. Anything more serious than misspelling | |
60 | .I local-name | |
61 | causes unpredictable and obscure results. | |
62 | .SH BUGS | |
63 | In addition to the standard | |
64 | .I uucp | |
65 | requirements a hook is needed at the remote | |
66 | system, and at present is only installed | |
67 | on the systems "research" and "inter". | |
68 | .br | |
69 | This program is written in shell and should be translated | |
70 | to C so it could give diagnostics. | |
71 | .br | |
72 | Even if "remote-system" is the local system, uudiff | |
73 | is subject to delays in uucp traffic. | |
74 | .br | |
75 | It should probably write the standard output, instead of insisting | |
76 | on going into the background. | |
77 | .br | |
78 | Since checksums are used there is a probability of 1 in 2**32 | |
79 | of missing differences between files. | |
80 | .br | |
81 | The ~userid syntax is not recognized. |